高密度社区贵阳市花果园植物光环境研究
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摘要
以贵阳市花果园一期社区为研究对象,研究了高密度城市社区的容积率和园林植物光环境适宜性。利用容积率计算公式计算了该社区的容积率。运用日照大师软件,基于实地条件并结合阴影分析法,分析了该社区公共绿地的日照情况。根据社区内每种园林植物的喜光特性,计算了其光环境适宜率。研究结果表明:该社区的容积率高达6.9,超出规定值(5.0)近40%。光照极不足的公共绿地面积最大,约占该社区公共绿地总面积的55.00%,光照一般的公共绿地面积最小,约占该社区公共绿地总面积的1.05%。社区内的22种园林植物喜光特性类型多样,但其中适宜该高容积率高密度城市社区光环境的植物,仅有金边黄杨和石楠两种,其光环境适宜率分别为96.51%和53.33%。高密度社区中局域光照不足是影响园林植物生长的主要原因。
The Huaguoyuan first-phase community in Guiyang city was taken as a research object,the volume ratio and the light-environment suitability of garden plants in high dernsity urban community were studied.The volume ratio of the community was calculated by the computational formula for volume ratio.By using sunshine master software,the sunshine condition of pubic green space in the community was analyzed based on field situation and shadow analysis method. Based on light preference of each garden plant in the community,the light-environment suitable rates were calculated.The research results show that the volume ratio of Huaguoyuan first-phase community reaches up to 6. 9,which exceeds nearly 40% for the stated value(5. 0). The area of public green space with very insufficient light is lagest,accounting for about 55.00% of public green space in the community.The area of public green space with common light is smallest,only accounting for about 1.05% of public green space in the community. The light preference type of 22 species of garden plants in the community is various. Only 2 plants species of Euonymus japonieus Thunb. var. aurea-marginaas Hort. and Photinia serrulata Lindl,are suitable for the light environment in the urban community with high volume ratio and high density,whose light-environment suitable rates are 96. 51% and 53. 33%,respectively. Local insufficient light is the main reason for affecting the growth of garden plants in high density community.
The Huaguoyuan first-phase community in Guiyang city was taken as a research object,the volume ratio and the light-environment suitability of garden plants in high dernsity urban community were studied.The volume ratio of the community was calculated by the computational formula for volume ratio.By using sunshine master software,the sunshine condition of pubic green space in the community was analyzed based on field situation and shadow analysis method. Based on light preference of each garden plant in the community,the light-environment suitable rates were calculated.The research results show that the volume ratio of Huaguoyuan first-phase community reaches up to 6. 9,which exceeds nearly 40% for the stated value(5. 0). The area of public green space with very insufficient light is lagest,accounting for about 55.00% of public green space in the community.The area of public green space with common light is smallest,only accounting for about 1.05% of public green space in the community. The light preference type of 22 species of garden plants in the community is various. Only 2 plants species of Euonymus japonieus Thunb. var. aurea-marginaas Hort. and Photinia serrulata Lindl,are suitable for the light environment in the urban community with high volume ratio and high density,whose light-environment suitable rates are 96. 51% and 53. 33%,respectively. Local insufficient light is the main reason for affecting the growth of garden plants in high density community.
引文
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[3] 李苗.基于光照需求的居住区植物选择与配置研究[D].成都:成都理工大学,2018.
[4] MASON I C,BOUBEKRI M,FIGUEIRO M G,et al.Circadian health and light:a report on the national heart,lung,and blood institute’s workshop[J].Journal of biological rhythms,2018,33(5):451-457.
[5] GOTOH E,SUETSUGU N,YAMORI W,et al.Chloroplast accumulation response enhances leaf photosynthesis and plant biomass production[J].Plant physiology,2018,178(3):1358-1369.
[6] KORPELA K,DE BLOOM J,SIANOJA M,et al.Nature at home and at work:naturally good links between window views,indoor plants,outdoor activities and employee well-being over one year[J].Landscape and urban planning,2017,160:38-47.
[7] 张辉.穗港高密度社区绿地现状的比较研究[D].广州:广州大学,2013.
[8] 陈彦.泰州市城市光环境光文化的建设发展策略探讨[J].能源与节能,2017(6):103-104.
[9] 刘鸣,黄铁屿,周博,等.城市夜间光环境实态调研分析[J].照明工程学报,2016,27(1):49-55.
[10] 吕上.论城市夜间光环境的美——以北京为例[J].城市建设理论研究(电子版),2018(4):185-186.
[11] 林怡,董英俊,杜怡婷.高密度办公空间人工照明的非视觉效应现场实验研究[J].照明工程学报,2017,28(6):52-59.
[12] 林怡,刘聪,付美祺,等.办公室人员睡眠质量、觉醒度与近窗距离的关系——基于高密度城市区域办公空间现场调研问卷的数据分析[J].照明工程学报,2016,27(5):32-37.
[13] 万小虎.探讨日照分析技术在居住区规划设计与管理中的应用[J].智能城市,2016,2(11):211-212.
[14] 李雪铭,张大昊,田深圳,等.城市住宅小区容积率时空分异研究——以大连市内四区为例[J].地理科学,2018,38(4):531-538.
[15] 中华人民共和国住房与城乡建设部.城市居住区规划设计标准:GB 50180—2018[S].北京:中国建筑工业出版社,2018.